Table 1.

Summary of Oligomerization Runs.

Run	Monomers	Monomer Conc.a (mM)	Reaction		Yieldb (%)
			Time (min)	Temp. (°C)
1	3 + 4	18	120	100	71
2	3 + 4	36	120	100	29
3	3 + 4	180	120	100	0c
4	3 + 4	180	60	100	47d
5	3 + 4	180	30	100	36
6	3 + 4	180	30	100	43
7	2 + 4	180	20	100	71
8	2 + 4	180	30	100	95
9	2 + 4	180	30	150e	70
10	2 + 4	180	40	100	71
11	2 + 4	180	80	100	71

^aConcentration of each monomer.

^bYield after deprotection (Runs 1–6), workup, and lyophylization (see the Supplementary Data for details).

^cIntractable product.

^dPartially soluble product.

^eReaction mixture turned brown.